Scientific arrangements for lambing. The maternal lamb's pubertal period is generally between 75 and 90 days old. The initial mating age can be as early as 5-7 months of age. When the weight reaches 15-20 kg, two-year-old children are arranged to breed in the spring and autumn seasons. Three months are usually a breeding cycle every eight months, including five months of pregnancy, two months of breast-feeding, one-month breeding period or one-year-old single-child birth, one-year twin births arrangements. For estrus ewes to be bred in time, naturally mate a 2-6-year-old ram can afford 20-30 breeding ewes, artificial assisted mating male and female ewes ratio of about 1:40. Two or three two-year-old children a year, the average number of litter per month is about 2-4. Implement early weaning of lambs. Lambs are mostly weaned at two months of age. The colostrum should be fed to the newborn lamb. The lamb should be fed scientifically from 15-20 days of age. Each day should be fed with 30-50 grams of mixed concentrate, 70-100 grams of 30 days, and 100-150 grams of high quality hay. After 50 days of age, the raw roughage was mainly used to supplement the mixed feed. Careful feeding, lambs can be weaned 10-15 days earlier. Shorten ewes' gestation. Ewes are usually about 150 days pregnant. Estradiol benzoate, or 1-2 ml of cloprostenol injection, can be used 3 days prior to pre-production, allowing 90% of the ewes to breed lambs within 48 hours. Strengthen feeding management. In the summer and autumn, mainly green fodder such as fresh grass and leaves is the main ingredient, and corn, bran and other concentrates are properly used. Winter and spring are mainly fed with ammoniated feed. Feeding should be quantified on a regular basis, requiring the feed to be clean, fresh, free of sediment and mildew. Provide sufficient water for drinking, and use 30 to 40°C warm water in winter. Strengthen the proper movement of the ewes and keep the environment quiet. It is forbidden to chase, whip, and kick the pregnant ewes. Strengthen health and epidemic prevention. Diligently sweeping houses, regularly using levamisole to drive out parasites in vivo and in vitro; regularly inject various kinds of epidemic (bacteria) seedlings in sheep; observe the sheep on a regular basis, and if there is any disease, isolate the patient immediately and strictly disinfect it. China Agricultural Network Editor
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